Smoke Alarm- AC Powered- Wired- With Battery Back up

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FIRST ALERT SMI100-AC Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White PRODUCT OVERVIEW First Alert Smoke Alarm, Ionization Sensor, Battery Power Source, Test/Silence Button. White, Dimensions: 5.6" L x 5.6" W x 1.9" H. 9Volt battery included

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